US elections: The Democratic primaries by the numbers

After 57 contests - from Maine to Florida, the Virgin Islands to Guam, one for Democrats overseas and two in Texas - the Democratic nomination race has come to an end. The candidates travelled thousands of miles, munched on lots of fried food, drank beer and whiskey with supporters, kissed babies, shook hands and talked themselves hoarse in thousands of speeches in primary campaigns that spanned nearly a year and a half. All the while, their exhausted staffs and hundreds of journalists tagged along. Here are some ways the race breaks down by the numbers: